package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class SortInteger {
    public static void main(String[] args) {
        Random rando=new Random();
        List<Integer>list=new ArrayList<>();
        for(int i=0;i<10;i++){
            list.add(rando.nextInt(100));}
        System.out.println("list原始数据："+list);
        Collections.sort(list);
        System.out.println("list排序后数据："+list);
        System.out.println("第一个元素为："+list.get(0));

        Collections.reverse(list);
        System.out.println("翻转后数据为："+list);
        System.out.println("第一个元素为："+list.get(0));

        }
}
